diff --git a/staging/src/k8s.io/apiserver/pkg/storage/etcd3/store.go b/staging/src/k8s.io/apiserver/pkg/storage/etcd3/store.go
index 6fb9fe9aa5f..7f268bf6cd6 100644
--- a/staging/src/k8s.io/apiserver/pkg/storage/etcd3/store.go
+++ b/staging/src/k8s.io/apiserver/pkg/storage/etcd3/store.go
@@ -186,7 +186,8 @@ func New(c *kubernetes.Client, compactor Compactor, codec runtime.Codec, newFunc
 		newListFunc:    newListFunc,
 		compactor:      compactor,
 	}
-	if utilfeature.DefaultFeatureGate.Enabled(features.SizeBasedListCostEstimate) {
+	// Collecting stats requires properly set resourcePrefix to call getKeys.
+	if resourcePrefix != "" && utilfeature.DefaultFeatureGate.Enabled(features.SizeBasedListCostEstimate) {
 		stats := newStatsCache(pathPrefix, s.getKeys)
 		s.stats = stats
 		w.stats = stats